Species: antiquus GILMORE, 1928
Etymology: Latin, antiqua, "ancient."

Holotype: USNM 6134

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Left dentary.

Paratype: USNM 16519 (Originally Yale 1068): Right dentary.

Referred material:

YPM 1067: Right dentary.

YPM 1084: Median portion of a dentary.

YPM 1085: Median portion of a dentary.

YPM 1086: Posterior half of a right dentary.

YPM 1087: Anterior end of a right dentary.

YPM 1088: Fragmentary portions of a dentary.

YPM 1089: Greater portion of a left dentary.

YPM 1090: Portion of a dentary with teeth.

PROTHERO & ESTES, 1980

2 jaws.

 

FOSTER, PAGNAC & HUNT-FOSTER, 2020

Locality: V9138, Little Houston Quarry, approximately 20 km west of Sundance in southern Crook County, just north of Little Houston Creek, Black Hills, northeast Wyoming.

Horizon: Member?, Morrison Formation.

Biostratigraphy: Zone?

Age: Age?, Stage?, Malm Epoch, Late Jurassic.

Material:

SDSM specimens: Right dentary fragment, and vertebrae.

MWC 6504: Left maxilla fragment.

JRF 95011: Denatary with teeth.

JRF 95216: Dentary fragment.

Number: Not given: Iosalted vertebrae.

 

= Cteniogenys aff. C. antiquus GUILLAUME, PUERTOLAS-PASCUAL & MORENO-AZANZA, 2025

Locality: Mina de Lignito Guimarota, Leiria District, Portugal.

Horizon: Alcobaca Formation.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

MG27600: Premaxilla.

MG27417, 27419: 2 maxillae.

MG27605, 27609, 27627, 27628, 27638, 27646, 27652, 27653, 27662, 27664, 27666, 28761, 28826, 28831, 28843, 28882, 28901, 28914: 18 dentaries.

MG28420, 28423: 2 surangulars.

MG28284, 28287, 28512, 28514, 28552: 5 vertebra.

MG 28890, 28928: 2 humeri.

MG28282, 28288028791: 5 ilia.

MG27892 (block of associated bones): Vetebra, frontal, putative jugla an dpostorbitofrontal.

 

TRUJILLO, 1999, FOSTER & TRUJILLO, 2000

Locality: V-97014, Ninemile Hill, near Medicine Bow, Carbon County, Wyoming.

Horizon: Upper Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 4.

Age: Upper Part, Comobluffian age, Tithonian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

UW 31502: Symphyseal region of a left dentary with at tooth.

UW 31503: Fragment of left dentary with 3 partial teeth.

UW 31504: Fragment of a left dentary with 1 complete tooth and 2 broken teeth.

UW 31505: Fragment of a premaxilla or maxilla with a single complete tooth.

UW 31508: Dentary fragment with 2 teeth.

UW 31514: Cervical vertebra.

UW 31515, 3157, 31518: Dorsal vertebrae.

UW 31516: Fragmentary anterior caudal vertebra.

UW 31519: Anterior dorsal vertebra.

UW 31520: Dorsal vertebra of a juvenile

Locality: V-98046, Ninemile Hill, near Medicine Bow, Carbon County, Wyoming.

Horizon: Upper Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 4.

Age: Upper Part, Comobluffian age, Tithonian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

UW 31529: Dorsal vertebra.

UW 31533: Sacral vertebra.

 

Locality: Little Houston Quarry, SDSM localities V941, western Black Hills, Crook County, Wyoming.

Horizon: Morrison Formation.

Biostratigraphy: Zone?

Age: Comobluffian age, Stage?, uppermost Malm Epoch, Late Jurassic.

Material:

SDSM 42746: Cervical vertebra.

SDSM 42747: Vertebra.

SDSM 42745: Dentary with 21 teeth.

SDSM 42744: Left maxilla with 11 teeth.

 

Locality: Mile 175, SDSM locality V931, several kilometers east of the Little Houston Quarry, Crook County, Wyoming.

Horizon: Morrison Formation.

Biostratigraphy: Zone?

Age: Comobluffian age, Stage?, uppermost Malm Epoch, Late Jurassic.

Material:

SDSM 42748, 42749: Vertebra.

SDSM 42750: Dorsal vertebra.

 

Locality: Sheridan College Allosaurus Quarry, south of Buffalo, Johnson County, Wyoming.

Horizon: Morrison Formation.

Biostratigraphy: Zone?

Age: Comobluffian age, Stage?, uppermost Malm Epoch, Late Jurassic.

Material:

Number: Not given: Vertebra.

 

Locality: Wonderland Quarry (SDSM V9141), several miles north of Rapid City, Black Hills East Area, Meade County, South Dakota.

Horizon: Morrison Formation.

Biostratigraphy: Zone?

Age: Comobluffian age, Stage?, uppermost Malm Epoch, Late Jurassic.

Material:

SDSM 25202: Dorsal vertebra.

_____________________________________________________________________________________

Species: reedi SCHIFFERT, 1973
Etymology:

Holotype: Gui. A. 33

Locality: Mina de Lignito Guimarota, Leiria District, Portugal.

Horizon: Alcobaca Formation.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material: Anterior part of right dentary.

Referred material:

Gui. 82: Parietal.

Gui. A. 51: Dentary.

Gui. A. 234: Maxilla of a juvenile.

Gui. A. 345: Right premaxilla.

I L 27: Fragment of right dentary.

Porto das Barcas, Maxillary tooth.